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A switch has moving contacts, name them ?

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A contact switch works by physically connecting or disconnecting two metal contacts when an object applies pressure or movement to the switch. This change in contact state is used to control the flow of electrical current in a circuit, triggering actions such as turning on a light or activating a device. Contact switches are commonly used in various applications, including push-button controls and door sensors.

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10mo ago
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Q: How does a contact switch work?
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Continue Learning about Physics

Can a proximity switch be actuated without physical contact?

Yes, proximity switches can be actuated without physical contact. They work by detecting changes in the electromagnetic field around them when an object comes within range, triggering the switch without the need for direct contact.


How does a magnetic switch work to control the flow of electricity?

A magnetic switch controls the flow of electricity by using a magnet to open or close a circuit. When the magnet is near the switch, it attracts a metal contact, closing the circuit and allowing electricity to flow. When the magnet is moved away, the contact is released, breaking the circuit and stopping the flow of electricity.


If a switch is said to be open will a curcuit work?

No, if a switch is open, it means the circuit is incomplete and no current can flow through it. The circuit will not work until the switch is closed to complete the circuit.


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How is electromagnet used in a burglar alarm?

An electromagnet is used in a burglar alarm to create a magnetic contact switch. When the door or window is closed, the electromagnet keeps the switch closed. If the door or window is opened, the magnetic field is disrupted, causing the switch to open and trigger the alarm.